문제1812--Profits

### 1812: Profits

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#### 문제 설명

The cows have opened a new business, and Farmer John wants to see how well they are doing. The business has been running for N (1 <= N <= 100,000) days, and every day i the cows recorded their net profit P_i (-1,000 <= P_i <= 1,000).

Farmer John wants to find the largest total profit that the cows have made during any consecutive time period. (Note that a consecutive time period can range in length from one day through N days.) Help him by writing a program to calculate the largest sum of consecutive profits.

#### 입력 설명

• Line 1: A single integer: N
• Lines 2..N+1: Line i+1 contains a single integer: P_i

#### 출력 설명

• Line 1: A single integer representing the value of the maximum sum of profits for any consecutive time period.

#### 입력 예시 Copy

7
-3
4
9
-2
-5
8
-3

#### 출력 예시 Copy

14

#### 도움

The maximum sum is obtained by taking the sum from the second through the sixth number (4, 9, -2, -5, 8) => 14.